usbloadergx/source/usbloader/partition_usbloader.h

#ifndef _PARTITION_H_
#define _PARTITION_H_

#ifdef __cplusplus
extern "C"
{
#endif

    /* 'partition entry' structure */
    typedef struct
    {
        /* Boot indicator */
        u8 boot;

        /* Starting CHS */
        u8 start[3];

        /* Partition type */
        u8 type;

        /* Ending CHS */
        u8 end[3];

        /* Partition sector */
        u32 sector;

        /* Partition size */
        u32 size;
    }ATTRIBUTE_PACKED partitionEntry;

    /* Constants */
#define MAX_PARTITIONS      4
#define MAX_PARTITIONS_EX   10

#define FS_TYPE_UNK   0
#define FS_TYPE_FAT16 1
#define FS_TYPE_FAT32 2
#define FS_TYPE_NTFS  3
#define FS_TYPE_WBFS  4
#define FS_TYPE_EXT   5

    typedef struct
    {
            u8 fs_type;
            u8 part_fs;
            u8 wbfs_i; // seq wbfs part index
            u8 fat_i; // seq fat part index
            u8 ntfs_i; // seq ntfs part index
            u8 ext_i; // seq ntfs part index
            u8 index;
    } PartInfo;

    typedef struct
    {
            u8 num;
            u32 sector_size;
            partitionEntry pentry[MAX_PARTITIONS_EX];
            u8 wbfs_n;
            u8 fat_n;
            u8 ntfs_n;
            u8 ext_n;
            PartInfo pinfo[MAX_PARTITIONS_EX];
    } PartList;

    /* Prototypes */
    s32 Partition_GetEntries(u32 device, partitionEntry *outbuf, u32 *outval);
    s32 Partition_GetEntriesEx(u32 device, partitionEntry *outbuf, u32 *outval, u8 *num);
    bool Device_ReadSectors(u32 device, u32 sector, u32 count, void *buffer);
    bool Device_WriteSectors(u32 device, u32 sector, u32 count, void *buffer);
    s32 Partition_GetList(u32 device, PartList *plist);
    int Partition_FixEXT(u32 device, u8 part);

    bool part_is_extended(int type);
    bool part_is_data(int type);
    char* part_type_data(int type);
    char* part_type_name(int type);
    bool part_valid_data(partitionEntry *entry);
    int get_fs_type(u8 *buf);
    bool is_type_fat(int type);
    char* get_fs_name(int i);

#ifdef __cplusplus
}
#endif

#endif